Ice cube tray



FIG. 1 is a top, side and front perspective view of an ice cube tray showing my new design;

FIG. 2 is a front elevation view, the rear elevation being identical thereto;

FIG. 3 is a right side elevation view, the left side elevation being identical thereto;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for an ice cube tray, as shown and described. 